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The information provided within this Forum about localities is only given to allow reference to them. Any visit to any of the localities requires you to obtain full permission and relevant information prior to your visit. FMF is strictly against any illicit activities related to collecting minerals.
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Search found 19 matches |
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alex chaus Replies: 20 Views: 47929 |
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Congratulations Jordi and members incharged.
Its just a beginning. |
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alex chaus Replies: 26 Views: 61925 |
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Another beautiful Romanian specimen from Baia Sprie.
Hi, Adrian. Very impressive set of local specimens, especially realgar. Congratulations! Alex. |
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alex chaus Replies: 10 Views: 24114 |
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...My questions are as follows:
1. Is the ruby from the labeled locality? I have my suspicions its not 2. Would it be possible for ruby and sapphire to occur at the same locality, in different s ... |
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alex chaus Replies: 5 Views: 12377 |
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Matt,
thank you so much! That's what I'm doing sometimes but result is not so great and short of time to take movie. Alex |
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alex chaus Replies: 27 Views: 48044 |
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Thank you, Don, for your wonderful report!
I'm learning more about minerals for collecting (means quality, varieties, locality etc). One of your last image presents quarts w. epidote ... from Kara-O ... |
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alex chaus Replies: 12 Views: 19596 |
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Have you, in fact, confirmed that the mineral in question is amazonite (blue/green microcline) and not a bluish variety of albite? Albite (cleavelandite habit) is a major constituent of LCT type pegma ... | |
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alex chaus Replies: 12 Views: 19596 |
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I am not sure if your last comment was referring to the geological map for your Kyrgyzstan site or for the Pikes Peak batholith. If you are talking about Colorado then yes there were some later stage ... | |
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alex chaus Replies: 12 Views: 19596 |
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Is it possible that normal LCT- type pegmatites were effected by later amazonite alteration superposed? If so, could colored tourmaline be changed to shorl?
Many evidences tell about multi-stage comp ... |
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alex chaus Replies: 12 Views: 19596 |
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To my experience, the occurrence of amazonite is more typical of NYF type pegmatites (for example, the Pike's Peak area of Colorado), which rarely have colored tourmaline (elbaite, etc), or for that m ... | |
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alex chaus Replies: 12 Views: 19596 |
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Hi, Riccardo and Jesse!
Thank you for reply. I have already check available geological information about that region. It is quite poor, especially items related to non-ore minerals. I see the rarity ... |
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alex chaus Replies: 12 Views: 19596 |
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Dear FMF members,
I have got some geological information about prospecting performed 35 years ago in Terskey Range (Tian-Shan mountains, Kyrgyzstan). It was discovered 25 pegmatite veins, three of t ... |
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alex chaus Replies: 163 Views: 378100 |
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Thank you, Bob, I'll try to find or get it from somewhere abroad.
Alex |
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alex chaus Replies: 163 Views: 378100 |
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Hi, all.
Some contribution to calcite theme from Kyrgyzstan. All images provided are from the same location - Tereksay stibnite mine, collected at different levels during 80th to 2000 years. rusty fi ... |
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alex chaus Replies: 16 Views: 30336 |
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Thank you, Jordi, for information.
I have read the mindat reference. Visually very close to my specimens but my specimens shows different lustre (from adamantine to dull). Also they have different h ... |
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alex chaus Replies: 16 Views: 30336 |
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David,
some more images about stibnite and minerals after that (stibiconite? valentinite?) not defined in full set accurately. Any idea after visual examination? Alex |
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